//
//  RollToll.h
//  Roll Ball1.1.1
//
//  Created by Cui Luhai on 10-7-14.
//  Copyright 2010 China Academy of Art. All rights reserved.
//

#import <Foundation/Foundation.h>


@interface RollToll : NSObject {

	
}

+ (int) randomInt:(int) range;
+ (CGFloat) randomVelocityWith : (int) difficultyLevel;
@end
